Method and device for blocking eyeglass lenses
US9694465B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 23, 2012 |
| Grant date | Jul 4, 2017 |
| Priority date | — |
| Expiry date | Jan 9, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B47/225
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A blocking device and a method for blocking of eyeglass lenses on blocking pieces with a base body, with a blocking piece receiver which is located on the base body for the blocking piece which is to be attached to the eyeglass lens and with a positioning unit which is located on the base body for aligning and holding the eyeglass lens which is to be blocked, the blocking piece receiver and the positioning unit can be fixed on the eyeglass lens by activation being movable relative to one another via a lifting axis, the approach motion between the positioning unit and the blocking piece receiver being limited in the direction of the lifting axis by an adjustable stop means in at least two positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.